Banjo RB300-150 3 inch MNPT x 1-1/2 inch FNPT Reducing Bushing Schedule 80 trap
Schedule 80 reducing bushing connects 3 inch MNPT to 1-1/2 inch FNPT threads
- Schedule 80 rating handles high-pressure systems
- 3 inch MNPT connects to larger pipe runs
- 1-1/2 inch FNPT reduces to smaller lines
- Black finish resists corrosion in harsh environments
Banjo RB300-150 Reducing Bushing
The Banjo RB300-150 is a Schedule 80 reducing bushing designed to connect a 3 inch male NPT thread to a 1-1/2 inch female NPT thread. It is manufactured in black and supplied new for use in plumbing drain and trap assemblies.
Thermals noise and power draw
This fitting contains no moving parts, electronics or powered components so it generates no heat, produces no noise and draws no power during normal operation.
How it compares
Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.
- Price $13.99
- Cheaper than about 76% of the 4,240 comparable items (median $31.99).
Specifications
No published specifications for this item yet.
Questions about this item
How do I install the 3 inch MNPT threads without cross-threading the Schedule 80 fitting?
Start the male NPT threads by hand for at least three full turns before using a pipe wrench; the tapered design seals only when fully engaged, so rushing the first turns strips the coarse threads on this heavy-wall bushing.
When will the 1-1/2 inch FNPT end need replacement in a chemical-transfer line?
Inspect the female threads annually for galling or erosion; Schedule 80 polypropylene resists most acids but thermal cycling above 150 °F accelerates wear, so plan replacement at the first sign of thread deformation or weeping.
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